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Differences What are the advantages of each

Front view of Intel Xeon E5-2620 v3

Reasons to consider the
Intel Xeon E5-2620 v3

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Much lower typical power consumption 69.06W vs 109.69W More than 35% lower typical power consumption
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads
Much lower annual home energy cost 20.48 $/year vs 32.52 $/year More than 35% lower annual home energy cost
Much lower annual commercial energy cost 74.46 $/year vs 118.26 $/year More than 35% lower annual commercial energy cost
Front view of Intel E5-2637V4

Reasons to consider the
Intel E5-2637V4

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Significantly higher clock speed 3.5 GHz vs 2.4 GHz More than 45% higher clock speed
Higher turbo clock speed 3.7 GHz vs 3.2 GHz More than 15% higher turbo clock speed
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Much more l3 cache per core 3.75 MB/core vs 2.5 MB/core 50% more l3 cache per core
Significantly better overclocked clock speed (Air) 3.5 GHz vs 2.66 GHz More than 30% better overclocked clock speed (Air)
Newer Jan, 2016 vs Jul, 2014 Release date over 1 years later
Better overclocked clock speed (Water) 3.5 GHz vs 2.87 GHz More than 20% better overclocked clock speed (Water)

Features Key features of the Xeon E5-2620 v3  vs E5-2637V4 

clock speed

Xeon E5-2620 v3
2.4 GHz
E5-2637V4
3.5 GHz

turbo clock speed

Xeon E5-2620 v3
3.2 GHz
E5-2637V4
3.7 GHz

L3 cache

overclocked clock speed (air)

Xeon E5-2620 v3
2.66 GHz
E5-2637V4
3.5 GHz

overclocked clock speed (water)

Xeon E5-2620 v3
2.87 GHz
E5-2637V4
3.5 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E5-2620 v3  vs
E5-2637V4 
Clock speed 2.4 GHz 3.5 GHz
Turbo clock speed 3.2 GHz 3.7 GHz
Cores Hexa core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 85W 135W
Annual home energy cost 20.48 $/year 32.52 $/year
Annual commercial energy cost 74.46 $/year 118.26 $/year
Typical power consumption 69.06W 109.69W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 76,800 MB/s
Transfer rate 8,000 MT/s 9,600 MT/s
Clock speed 4,000 MHz 4,800 MHz

details

Xeon E5-2620 v3  vs
E5-2637V4 
Architecture x86-64 x86-64
Threads 12 8
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 3.75 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 72.6°C Unknown - 75°C

overclocking

Overclocked clock speed 2.66 GHz 3.5 GHz
Overclocked clock speed (Water) 2.87 GHz 3.5 GHz
Overclocked clock speed (Air) 2.66 GHz 3.5 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 786,432 MB 1,572,864 MB
Intel Xeon E5-2620 v3
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Intel E5-2637V4
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